Acar going 50mph accelerates to pass a truck. five seconds later the car is going 80mph. calculate the acceleration of the car.

The acceleration of the car is .

Explanation:

Given that,

Initial speed of the car, u = 50 mph

Since, 1 mph = 0.44704 m/s

u = 22.35 m/s

Final speed of the car, v = 80 mph = 35.76 m/s                    

Time, t = 5 s

To find,

The acceleration of car.

Solution,

The rate of change of velocity of an object is equal to its acceleration. Its formula is given by :

So, the acceleration of the car is .

i don't understand. explain it clearly